tegwick
1353267569
Assistant: codex Assistant-Model: gpt-5.6-luna Assistant-Session: 01a087b0-7b1e-7531-8ef3-6525ebaf7ee7
88 lines
2.4 KiB
YAML
88 lines
2.4 KiB
YAML
fiam_version: '0.2'
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instance:
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id: specimen.postgresql.unix-socket
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kind: specimen
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title: PostgreSQL frontend/backend protocol over Unix-domain socket
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status: provisional
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intent: Demonstrate a database interface using a non-network local carrier.
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nodes:
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- id: node.app
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kind: system-node
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name: Application Process
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node_type: fiam.node-type.process
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- id: node.postgres
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kind: system-node
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name: PostgreSQL Server
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node_type: fiam.node-type.database
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ports:
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- id: port.app.sql
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owner: node.app
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participations:
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- contract: contract.postgresql
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mode: requires
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roles:
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- fiam.role.database-client
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- id: port.postgres.sql
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owner: node.postgres
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participations:
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- contract: contract.postgresql
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mode: offers
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roles:
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- fiam.role.database-server
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contracts:
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- id: contract.postgresql
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kind: interface-contract
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purpose:
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- fiam.purpose.query
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- fiam.purpose.transactional-data-access
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contract_forms:
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- fiam.contract-form.database-wire-protocol
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endpoints:
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- id: endpoint.postgres.socket
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kind: endpoint
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address: /var/run/postgresql/.s.PGSQL.5432
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address_scheme: fiam.address-scheme.unix-socket-path
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bindings:
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- id: binding.postgresql.unix
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contract: contract.postgresql
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provider_port: port.postgres.sql
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consumer_ports:
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- port.app.sql
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binding_profile: fiam.binding-profile.postgresql-unix-socket
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communication_stack:
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- role: fiam.stack-role.database-protocol
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term: fiam.protocol.postgresql-frontend-backend
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- role: fiam.stack-role.ipc-process-carrier
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term: fiam.transport.unix-domain-socket
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endpoints:
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- endpoint.postgres.socket
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interactions:
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- id: interaction.sql-session
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binding: binding.postgresql.unix
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interaction_style: fiam.interaction-style.session-command-response
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temporal_semantics: fiam.temporal.stateful-session
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assertions:
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- id: assertion.not-network
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subject: binding.postgresql.unix
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predicate: fiam.property.network-required
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value: false
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evidence:
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mode: fiam.evidence.runtime-observed
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source: socket path observation
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confidence: 1.0
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assertion_kind: property
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polarity: asserted
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tests:
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stresses:
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- database-protocol-vs-carrier
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- local-ipc
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- stateful-session
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notes:
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- Database protocol is separated from TCP/IP assumptions.
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expected_properties:
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- id: check.evidence
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kind: all-assertions-have-evidence
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- id: check.no-deprecated
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kind: no-deprecated-terms
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- id: check.no-legacy-representations
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kind: no-legacy-representations
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